NSW Opportunity Class
Oblivious
adjective/uh-BLIV-ee-uhs/
not aware of or concerned about what is happening around one.
In contextShe was so engrossed in her book that she was oblivious to the noise.
Remember it
Related to 'oblivion', total forgetting — an oblivious mind has blanked out the world around it.
Use it well
Takes 'to' or 'of': oblivious to the noise; it means not noticing, not being rude.